22160788 has 24 divisors (see below), whose sum is σ = 41969480. Its totient is φ = 10177920.

The previous prime is 22160777. The next prime is 22160791. The reversal of 22160788 is 88706122.

It can be written as a sum of positive squares in 4 ways, for example, as 145924 + 22014864 = 382^2 + 4692^2 .

It is a super-2 number, since 2×22160788² = 982201049561888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10978 + ... + 12838.

Almost surely, 2^22160788 is an apocalyptic number.

It is an amenable number.

22160788 is a deficient number, since it is larger than the sum of its proper divisors (19808692).

22160788 is a wasteful number, since it uses less digits than its factorization.

22160788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 22160788 is about 4707.5246149117. The cubic root of 22160788 is about 280.8849045070.

It can be divided in two parts, 221 and 60788, that added together give a square (61009 = 247²).

The spelling of 22160788 in words is "twenty-two million, one hundred sixty thousand, seven hundred eighty-eight".